<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
       <script>
          var chen ='中国';
           var ni = 17;
           var wi ='女孩';
           var z='来自'+chen+'的一个'+ni+'岁'+wi
           console.log(z)

       </script>
</body>
</html